Contact Us

If you have any questions/concerns, please write an email to the above email address with your registered username, email address, along with a brief message regarding your concern and any other details/screenshots that you can provide.

Voicemail 1-646-593-8618 (Weekdays Only)

If you need help, please leave a voicemail with your name, username/registered email address, name of our eBook site, and a brief message regarding your concern. We will contact you as soon as possible.

Support is available between the hours of:

4:30 AM EDT to 8:00 PM EDT on Weekdays

You also can access useful instructions directly on this web site by clicking here.

Institution and Corporate Multi-User Sales

Choose from a single book subscription by concurrent users, or create your own collection based on the needs of your institution. To discuss options and pricing, please email: